Publications.

Dummy Endogenous Variables in Weakly Separable Models, with Edward Vytlacil, Econometrica, 2007, Vol. 75, No. 3:757-779.

Identifying Misspecified Propensity Score and Program Evaluation, with Azeem M. Shaikh, Marianne Simonsen and Edward Vytlacil, Journal of Econometrics, 2009, Vol. 151, No. 1:33-46.

Consistency of Plug-In Estimators of Upper Contour and Level Sets, Econometric Theory, 2012, Vol. 28, No. 2:309-327.

Identification of Parameters in an Asymmetric Perfect Information Game, Economics Letters, 2011, Vol. 112, No. 3:243-246.

Jackknife CUE with Nearly Singular Design and Many Weak Moment Asymptotics, with Mehmet Caner, Journal of Econometrics, 2012, Vol. 170, No. 2:422-441.

Estimation of Binary Choice Models with Linear Index and Dummy Endogenous Variables, Econometric Theory, 2013, Vol. 29, No. 2: 354-392.

Orthogonal Polynomials for Semiparametric Instrumental Variables Model, with Yevgeniy V. Kovchegov, forthcoming at ESAIM: Probability and Statistics.

Identification of a Nonparametric Panel Data Model with Unobserved Heterogeneity and Lagged Dependent Variables, Economics Letters, 2015, Vol. 132, 133-135.

A Discontinuity Test for Identification in Triangular Nonseparable Models, with M. Carolina Caetano and Christoph Rothe, forthcoming at Journal of Econometrics.

Multiple Discrete Endogenous Variables in Weakly Separable Triangular Models, with S. J. Jun, J. Pinkse and H. Xun, Econometrics, 2016, Vol. 4 (1),7; doi:10.3390/econometrics4010007.

Identification and Estimation of a Triangular model with Multiple Endogenous Variables and Insufficiently Many Instrumental Variables, with L. Huang and U. Khalil, Journal of Econometrics, 2019, Vol. 208, 2:346 -366.

A Test of the Selection on Observables Assumption Using a Discontinuously Distributed Covariate,  with Umair Khalil, Journal of Econometrics, 2022, Vol. 226, 2:423 -450.

Working Papers.

A Short T Interactive Panel Data Model with Fixed Effects, with Jinyong Hahn.

Testing for Moral Hazard When Adverse Selection Is Present, with J.C. Escanciano and Bernard Salanie.